About this tag
The tag kb4519978 covers a Windows 10 update released on October 15, 2019, that caused issues for some users. Reported problems include performance slowdowns and difficulty signing in after waking from sleep mode. Affected machines may show only the background image and fail to display the login screen, with no response to keyboard or mouse input, requiring a hard restart. This tag is relevant for users troubleshooting post-update login and performance problems on Windows 10.
  1. Cardinal System

    Windows 10 Issues with October 15, 2019 Windows Update

    Last week my mother installed an update (KB4519978) on her Windows 10 machine. Since then, she has been experiencing some performance issues and is having trouble signing into her laptop. When she opens her laptop and wakes it from sleep mode, one of two things frequently happens: it will...
    • Cardinal System
    • Thread
    • hard power restart hp laptop installation issues intel kb4519978 laptop performance memory issues october update performance issues sleep mode software bugs system freeze troubleshooting user issues windows 10 windows update
    • Replies: 3
    • Forum: Windows Help and Support